Use Arc<PropertyDeclarationBlock> everwhere it’s appropriate.

This commit is contained in:
Simon Sapin 2016-08-31 01:06:45 +02:00
parent c50e6add4a
commit acc38aa8c2
13 changed files with 85 additions and 68 deletions

View file

@ -7,7 +7,7 @@ use cssparser::{DeclarationListParser, DeclarationParser};
use parser::{ParserContext, log_css_error};
use properties::PropertyDeclarationParseResult;
use properties::animated_properties::TransitionProperty;
use properties::{PropertyDeclaration, Importance};
use properties::{PropertyDeclaration, PropertyDeclarationBlock, Importance};
use std::sync::Arc;
/// A number from 1 to 100, indicating the percentage of the animation where
@ -77,7 +77,7 @@ pub struct Keyframe {
/// so the second value of these tuples is always `Importance::Normal`.
/// But including them enables `compute_style_for_animation_step` to create a `DeclarationBlock`
/// by cloning an `Arc<_>` (incrementing a reference count) rather than re-creating a `Vec<_>`.
pub declarations: Arc<Vec<(PropertyDeclaration, Importance)>>,
pub block: Arc<PropertyDeclarationBlock>,
}
/// A keyframes step value. This can be a synthetised keyframes animation, that
@ -88,7 +88,7 @@ pub struct Keyframe {
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub enum KeyframesStepValue {
/// See `Keyframe::declarations`s docs about the presence of `Importance`.
Declarations(Arc<Vec<(PropertyDeclaration, Importance)>>),
Declarations(Arc<PropertyDeclarationBlock>),
ComputedValues,
}
@ -113,8 +113,8 @@ impl KeyframesStep {
fn new(percentage: KeyframePercentage,
value: KeyframesStepValue) -> Self {
let declared_timing_function = match value {
KeyframesStepValue::Declarations(ref declarations) => {
declarations.iter().any(|&(ref prop_decl, _)| {
KeyframesStepValue::Declarations(ref block) => {
block.declarations.iter().any(|&(ref prop_decl, _)| {
match *prop_decl {
PropertyDeclaration::AnimationTimingFunction(..) => true,
_ => false,
@ -154,7 +154,7 @@ fn get_animated_properties(keyframe: &Keyframe) -> Vec<TransitionProperty> {
let mut ret = vec![];
// NB: declarations are already deduplicated, so we don't have to check for
// it here.
for &(ref declaration, _) in keyframe.declarations.iter() {
for &(ref declaration, _) in keyframe.block.declarations.iter() {
if let Some(property) = TransitionProperty::from_declaration(declaration) {
ret.push(property);
}
@ -179,7 +179,7 @@ impl KeyframesAnimation {
for keyframe in keyframes {
for percentage in keyframe.selector.0.iter() {
steps.push(KeyframesStep::new(*percentage,
KeyframesStepValue::Declarations(keyframe.declarations.clone())));
KeyframesStepValue::Declarations(keyframe.block.clone())));
}
}
@ -265,7 +265,10 @@ impl<'a> QualifiedRuleParser for KeyframeListParser<'a> {
}
Ok(Arc::new(Keyframe {
selector: prelude,
declarations: Arc::new(declarations),
block: Arc::new(PropertyDeclarationBlock {
declarations: Arc::new(declarations),
important_count: 0,
}),
}))
}
}